The Lenovo® EMC® px4-300r Network Storage array Server Class is a high performance rackmount array that is ideal for small-to medium-sized businesses and distributed enterprises for advanced data protection and local and remote content sharing. Powered by LenovoEMC™ storage technology, and with up to 16TB of storage capacity, including a diskless option, the px4-300r comes in a space-saving 1U form factor that is better, faster and more reliable for your mission critical data.